Home / 26,361.09-39,538.71-6,639.65

Finding the Fourth Proportional to 26,361.09, 39,538.71 and 6,639.65

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Solution

The fourth proportional to 26,361.09, 39,538.71 and 6,639.65 is: 9,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.09 : 39,538.71 = 6,639.65 : x
  2. Step 2: Convert to fraction form
    26,361.09/39,538.71 = 6,639.65/x
  3. Step 3: Cross multiply
    26,361.09x = 39,538.71 × 6,639.65
  4. Step 4: Simplify right side
    26,361.09x = 262,522,998.16
  5. Step 5: Solve for x
    x = 262,522,998.16/26,361.09
  6. Step 6: Final answer
    x = 9,958.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.